| Name | Meaning | Gender | Origin |
|---|
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Minx | | Unisex | Hebrew |
| Mohawk | Native American Tribe Name | Male | Native American |
| Monster | A creature of frightening appearance | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Ned | Wealth protector | Unisex | English |
| Neil | Champion | Male | Gaelic |
| Nemo | No one | Male | Latin |
| Neutron | | Unisex | Hebrew |
| Nibbles | | Unisex | Hebrew |
| Nigel | Champion From The Irish And Scottish Niall. | Male | Gaelic |
| Nipper | A small boy | Unisex | English |
| Nugget | As in Chicken | Unisex | English |
| Odie | Woad hill | Unisex | English |
| Oliver | Elf army | Male | French |
| Onyx | A gemstone with bands of different colours. | Unisex | English |
| Oscar | Divine spear | Male | English |
| Patches | | Unisex | Hebrew |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pepe | He will enlarge | Unisex | Hebrew |
| Petal | A section of a flower | Unisex | English |
| Pete | Stone | Male | Greek |
| Pewter | | Unisex | Hebrew |
| Ping | Fair | Unisex | Chinese |
| Pip | Lover of horses | Unisex | Greek |
| Pippin | Foreigner, stranger | Unisex | Latin |
| Pipsqueak | | Unisex | Hebrew |
| Pirate | | Unisex | Hebrew |
| Pocket | | Unisex | Hebrew |